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Finding the Fourth Proportional to 9,395.79, 14,093.93 and 3,156.03

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Solution

The fourth proportional to 9,395.79, 14,093.93 and 3,156.03 is: 4,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,395.79 : 14,093.93 = 3,156.03 : x
  2. Step 2: Convert to fraction form
    9,395.79/14,093.93 = 3,156.03/x
  3. Step 3: Cross multiply
    9,395.79x = 14,093.93 × 3,156.03
  4. Step 4: Simplify right side
    9,395.79x = 44,480,865.90
  5. Step 5: Solve for x
    x = 44,480,865.90/9,395.79
  6. Step 6: Final answer
    x = 4,734.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.